Parkinson’s disease

The Food and Drug Administration (FDA) has approved the use of a procedure that is highly beneficial for people with movement disorders such as Parkinson’s disease to treat some patients with severe epilepsy. The procedure, deep brain stimulation (DBS), involves implantation of a “brain pacemaker” to send electrical impulses to targeted areas of the brain [...]

The placebo effect occurs when people respond to treatments that have no medical reason to be effective. Although the placebo effect is generally accepted as being real, exactly why these treatments work remains a mystery. One common theory is that the mind acts on the body to bring on [...]